soma city. they are among 104 municipalities in eight prefectures where radiation levels stood at 0.23 microsieverts per hour or higher. administrative officials said radiation levels in the three areas are below that benchmark. a team of foreign experts held its first meeting with representatives of japan's nuclear regulation authority. u.s. and european scientists offered advice on nuclear safety. richard meserve is former chairman of the u.s. nuclear regulatory commission. he says people overseeing the nuclear industry must have technical skills if they are to properly enforce regulations and that those skills must be continuously assessed. he also said foreign staff should be hired if necessary. andre-claude lacoste is the former head of france's nuclear authority. he say prior to the fukushima accident, the operators only implemented the safety measures that were legally required. he said it's dangerous for plant operators to rely only on state regulations and that they should be encouraged to voluntarily enhance safety. the chairman of the nuclear regulation authority says he'